Question: A rock is thrown (not dropped) straight down from a bridge into the river below. At each of the following instants, is the magnitude of

A rock is thrown (not dropped) straight down from a bridge into the river below. At each of the following instants, is the magnitude of the rock’s acceleration greater than g, equal to g, less than g, or 0? Explain.

(a) Immediately after being released.

(b) Just before hitting the water.

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